Application of Soil Geochemical Survey in the Puqing Antimony-gold Exploration Area Deposit and Prospecting Effect

With applying soil geochemistry survey of valley to mine searching in Puqing exploration area,the thresholds of Au,Sb,Cu and As to determine are 7 ppd,10 ppm,200 ppm and 30 ppm respectively.Some valuable abnormal areas have been identified.This paper analyzes the prospecting potentiality for geochemical anomalies.Combined with the ore-controlling factors including strata and Lithologic character,comprehensive consideration of the main ore element anomalies and ore-forming elements association,4 key targets for ore-exploration are selected.Every key target has been confirmed by exploration through surface work.Sound ore-prospecting results are achieved.It proves the effectiveness of soil geochemistry survey in mine searching in Puqing exploration area.Weak anomalies of ore-forming elements and ore-forming elements association are very important to geological prospecting exploration in the old mining periphery.Methods and steps of soil geochemistry survey to mine searching are briefly summarized through soil geochemistry survey to mine searching in Puqing exploration area.